Plant support



FIG. 1 is a front isometric view of the plant support showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a side view thereof, as seen from the right side of FIG. 2;

FIG. 4 is a side view thereof, as seen from the left side of FIG. 2;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a top plan view thereof.

The broken lines in the drawings illustrate portions of the plant support that form no part of the claimed design. 

CLAIM The ornamental design for a plant support, as shown and described. 